Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    19-10-2021 04:37

General

  • Target

    Test.exe

  • Size

    157KB

  • MD5

    f1753868a6f882634aec63147dc892c1

  • SHA1

    a74ca1e6dadb04714923f9bc6ecd3c180f308d62

  • SHA256

    85c592312019b0c16b5a3658d5ae4136d5bd64c5d7d00c03949c074d61df289e

  • SHA512

    646dbe5654bb89b5e8160419f847053864faca6b17243f03b4aadede8ecba1836300714904a66ba9f988eb8edb30229277f2ec43ff635cd81d1cf25fef534510

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Test.exe
    "C:\Users\Admin\AppData\Local\Temp\Test.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Test.exe" "Test.exe" ENABLE
      2⤵
        PID:464

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/464-56-0x0000000000000000-mapping.dmp
    • memory/2040-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
      Filesize

      8KB

    • memory/2040-55-0x0000000000570000-0x0000000000571000-memory.dmp
      Filesize

      4KB

    • memory/2040-58-0x0000000000571000-0x0000000000572000-memory.dmp
      Filesize

      4KB